How do i simplify i don’t get it because it’s not dividing or multipleing and that what we’ve been working

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

What is the area of the trapezoid shown ?